- Supreme Court of Colorado | Monday, June 8, 1981 | Cited 0 times
- Supreme Court of Colorado | Monday, July 10, 1978 | Cited 0 times
- Colorado Court of Appeals | Monday, June 11, 1979 | Cited 0 times
- Court of Appeals of Texas | Wednesday, May 19, 1982 | Cited 0 times
- Supreme Court of Pennsylvania | Friday, July 29, 1983 | Cited 0 times
- Colorado Court of Appeals | Thursday, November 7, 1996 | Cited 0 times
- Washington Supreme Court | Thursday, May 6, 1999 | Cited 0 times